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  <title>Selects a Sybase database</title>
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  <div id="layout-content"><div id="function.sybase-select-db" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">sybase_select_db</h1>
  <p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">sybase_select_db</span> &mdash; <span class="dc-title">Selects a Sybase database</span></p>

 </div>
 
 <div id="function.sybase-select-db-refsynopsisdiv">
   <div class="warning"><strong class="warning">Warning</strong><p class="simpara">This function was
<em class="emphasis">REMOVED</em> in PHP 7.0.0.</p></div>
 </div>

 <div class="refsect1 description" id="refsect1-function.sybase-select-db-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>sybase_select_db</strong></span>
    ( <span class="methodparam"><span class="type">string</span> <code class="parameter">$database_name</code></span>
   [, <span class="methodparam"><span class="type">resource</span> <code class="parameter">$link_identifier</code></span>
  ] ) : <span class="type">bool</span></div>

  <p class="para rdfs-comment">
   <span class="function"><strong>sybase_select_db()</strong></span> sets the current active
   database on the server that&#039;s associated with the specified link
   identifier.  
  </p>
  <p class="para">
   Every subsequent call to <span class="function"><a href="sybase_query.html" class="function">sybase_query()</a></span> will be
   made on the active database.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.sybase-select-db-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>

    
     <dt>
<code class="parameter">database_name</code></dt>

     <dd>

      <p class="para">
      </p>
     </dd>

    
    
     <dt>
<code class="parameter">link_identifier</code></dt>

     <dd>

      <p class="para">
       If no link identifier is specified, the last opened link is assumed.
       If no link is open, the function will try to establish a link as if
       <span class="function"><a href="sybase_connect.html" class="function">sybase_connect()</a></span> was called, and use it.
      </p>
     </dd>

    
   </dl>

  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.sybase-select-db-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   成功时返回 <strong><code>TRUE</code></strong>， 或者在失败时返回 <strong><code>FALSE</code></strong>。
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-function.sybase-select-db-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><a href="sybase_connect.html" class="function" rel="rdfs-seeAlso">sybase_connect()</a> - Opens a Sybase server connection</span></li>
    <li class="member"><span class="function"><a href="sybase_pconnect.html" class="function" rel="rdfs-seeAlso">sybase_pconnect()</a> - Open persistent Sybase connection</span></li>
    <li class="member"><span class="function"><a href="sybase_query.html" class="function" rel="rdfs-seeAlso">sybase_query()</a> - Sends a Sybase query</span></li>
   </ul>
  </p>
 </div>


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